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Ionic Equilibria of Pt(IV), Pd(II) and Rh(III) in Hydrochloric Acid Solution (염산용액(鹽酸溶液)에서 白金(IV), 팔라듐(II)과 로듐(III)의 이온평형(平衡))

  • Lee, Man-Seung;Lee, Jin-Young
    • Resources Recycling
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    • v.18 no.1
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    • pp.30-37
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    • 2009
  • Distribution diagram of Pt(IV), Pd(II), and Rh(III) in HCl solution was obtained as a function of HCl concentration from 0.001 to 10 M by considering complex formation reaction together with mass balance. When HCl concentration was higher than 0.1 M, most of Pt and Pd in HCl solution exist as $PtCl_6^{2-}$ and $PtCl_4^{2-}$. The concentration of HCl had a feat effect on the speciation of Rh(III). As HCl concentration increases from 0.1 to 10 M, the pedominant species changes from $PhCl_5^{2-}$ to $PhCl_6^{3-}$. Interaction parameters of $PtCl_6^{2-}$ and $PdCl_4^{2-}$ with hydrogen ion were evaluated from the solvent extraction data of Pt and Pd reported in the literature.

Radioiodine Therapy For Differentiatd Thyroid Cancer (분화성 갑상선암의 방사성옥소 치료)

  • Hong, Sung-Woon
    • The Korean Journal of Nuclear Medicine
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    • v.34 no.4
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    • pp.265-275
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    • 2000
  • The thyroid gland is an interesting endocrine organ where a spectrum of tumors with different behavior arise. At one end of spectrum there is differentiated thyroid carcinoma (DTC) with excellent prognosis, whereas at the other end of the spectrum is anaplastic thyroid cancer which has universally poor outcome. Radioiodine (I-131) therapy has been in use for the treatment of thyroid diseases since 1946. It was introduced by Seidlin et al. 1) Although the use of I-131 has been vouge for a long time, its use in therapy for well differentiated thyroid cancer is still controversial 2). This is because, thyroid cancers (TC) are generally slow growing tumors, with low mortality and normal spans of survival. To record recurrence and mortality, long term follow up studies over a period of two to three decades are needed to establish definite conclusions on the acceptable mode of treatment The incidence of the disease being very low a large number of cases needed to establish a meaningful statistical data is lacking as most published reports feat with small series. Here again in the problem encountered are the differing protocols for treatment with I-131, the indications for treatment which may include or exclude ablation of residual thyroid tissue, cervical nodal and distal metastases. The dosage of I-131 used for ablation of residual thyroid tissue and metastatic disease also vary. The most reliable conclusion regarding I-131 treatment are obtained from studies reported on a large series of patients followed over a period of 2 decades or more from a single institute with a more or less unchanged protocol of management.

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The Interrelationship between Pop Art and Textile Design (팝 아트와 텍스타일 디자인의 상호관계)

  • 차임선
    • Archives of design research
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    • v.13
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    • pp.177-200
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    • 1996
  • The purpose of this study is to show the textile designers how to be creative and how to accept other ideas which are not necessarily of their own, and to show what exactly creating anything means. During the 1950's and'60s. America and Europe reached their peak in developing their consumption culture. After World War II, America achieved an astonished feat in developing its thechnology and industry to cause the economy to a rapid ascendence. The U.S. government adopted the Keynsian theory in its economic policy. The Keynsian theory advocates the consumer spending. And during this time period the American public developed consumption habit. Mass production and mass media went in hand to induce the public to buy. The public became an important target for the advertising stratages of the industry. In order for the industry to advertise the mass produced products, it had to utilize the mass media such as television, newspaper, and magazine. And mass media came into play an important role not to advertise the products, but to imform and educate the public about the products. This corporate stratege is further enhanced by the desire of the American public to climb up the ladder by way of material possession. Pop Art was born not only in reflecting the ideology of the consumption culture, but acted as a catalyst for more spending. The subjects of Pop Art are cars, foods, comics, Hollywood actors and movie scenes, the famous singers or persons. Andy Warhol specifically used the chosen image repeatedly to emphasize the redundacy of the image. The common factors which exist between Andy Warhol's Pop Art and textile design is the repetition in form, and the way of transferring an image to a canvas - Warhol used the frotttage technique to transfer an image to a canvas and textile design is transferred to a paper by way of transferring technique. Also the way Warhol thought of his paintings as a decorative elements and made a couple of his paintings into wallpapers or exhibits his painstings wall to wall demonstrates his close alliance with the textile design, let alone his comercial design background. In this study, I examined the inter-relationship between textile design and Pop Art. To carry out this study, I examined the comsumption culture: and the biomorphic relationship of culture and art: and Pop art and its transience stage. The major finding of this study is there exists a common denomenator between textile design and Pop Art, especially of Andy Warhol's.

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Effects of FUll-FEat Flax Seed, $\alpha$-Tocopherol and Selenium on the Expression of cell Surface Antigen of Broiler Chickens (아마종실과 $\alpha$-Tocopherol, 셀레늄 급여가 육계의 세포표면항원 발현에 미치는 영향)

  • 안종남;채현석;문진산;김동운;권명상;박병성
    • Korean Journal of Poultry Science
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    • v.28 no.3
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    • pp.231-237
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    • 2001
  • To examine the effects of feed additives on the expression of perpheral blood cell surface molecules, phagocytosis and antigen specific antibody formation, broilers were randomly assigned to $T_{1}$ , $T_{2}$ , $T_{3}$ , and $T_{4}$ groups. $T_{1}$ group was fed diet without any additives for 13 weeks, $T_{2}$ was fed diet with full fat flax, $T_{3}$ was fed diet with full fat flax containing $\alpha$-tocopherol, and $T_{4}$ was fed diet with full- fat flax containing $\alpha$-tocopherol and selenium. Since 5 weeks feeding the data were examined by flow cytometry using a panel of monoclonal antibodies. The expression of monocyte in all treated groups was significantly increased, in which the ratio of expression in $T_{3}$ group was especially evident. B cell expression of all treated groups was increased more than 2 fold. The expression of CD4+(helper T cell) cell and CD8+(cytotox$ic^pressor T cell) cell of all treated groups also was increased.ed.

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Efficient plant regeneration from cotyledon and primary leaf explants of lettuce (Lactuca sativa L.) (상추의 자엽 및 제 1엽 절편체들로부터 효율적인 식물체 재분화)

  • Son, Bo-Wha;Park, Chul-Gyoo;Ahn, Nam-Young;Jeon, Joo-Mi;Kim, Cha-Young;Oh, Se-Chan;Lee, Young-Hoon;Gal, Sang-Wan;Lee, Sung-Ho
    • Journal of Life Science
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    • v.17 no.6 s.86
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    • pp.822-824
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    • 2007
  • The efficient system for plant regeneration from cotyledon and primary feat explants of lettuce was established. Plant regeneration efficiency was shown 91.3% from cotyledon and 85.9% from primary leaf explants of variety 'Jungtongpogi' in KN medium. Plant regeneration efficiency was also estimated with various plant regeneration media in variety' Chungchima', which was lowest plant regeneration efficient showing 35.4% from cotyledon and 30.3% from prima leaf explants in KN medium. Kl medium increased 77.9% and 80.7% of plant regeneration efficiencies from cotyledon and primary leaf explants of variety 'Jungtongpogi' were cultured on KN medium. In case of varie쇼 ‘Chungchima', efficient plant regeneration was shown when primary leaf explants were cultured on SH and KI media.

The Development of Classification System of Medical Procedures in Korea (한국표준의료행위 분류체계 개발)

  • Park, Hyoung-Wook;Sohn, Myong-Sei;Kim, Han-Joong;Park, Eun-Cheol;Yu, Seung-Hum
    • Journal of Preventive Medicine and Public Health
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    • v.29 no.4 s.55
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    • pp.877-897
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    • 1996
  • In recent years, the Korean Medical Association has undertaken the feat of establishing the Korean Standard Terminology of Medical Procedures with the dedicated help of 32 medical academic societies. However, because the project is being conducted by several different circles, it has yet to see a clear system of classification. This thesis, therefore, proposes the three principles of scientific properties, usefulness and ideology as the basis for classification system and has developed the Classification System of Medical Procedures in Korea upon their foundation. The methodology and organization of this thesis as follows. First, by adopting scientific classification system of Feinstein(1988), an analysis of the classification systems of the medical procedures in the United States, Japan, Taiwan, WHO was carried out to reveal the framework and the basic principles in each system. Second, the direction of classification system has been constructed by applying the normative principle of medical field in order to show the future direction of the medical field and realize its ideology. Third, a finalized framework for the classification system will be presented as based on the direction of classification system. Of the three basis principles mentioned above, the analysis on the principles of usefulness was left out of this thesis due to the difficulty of establishing specific standards of analysis. The results of the study are as follows. The overall structure of the thesis is aimed at showing the 'Prevention-Therapy-Rehabilitation' quality of comprehensive health care and consists of six chapters; I. Prevention and Health Promotion II. Evaluation and Management III. Diagnostic Procedures IV. Endoscopy V. Therapeutic Procedures VI. Rehabilitation Chapter three Diagnostic Procedures is divided into four parts : Functional Diagnosis, Visual Diagnosis, Pathological Diagnosis, Biopsy and Sampling. Chapter five Therapeutic Procedures is divided into Psychiatry, Non-Invasive Therapy, Invasive Therapy, Anaesthesia and Radiation Oncology. Of these sub-divisions, Functional Diagnosis, Biopsy and Sampling, Endoscopy and Invasive Therapy employs the anatomical system of classification. On the other hand, Visual Diagnosis, Pathological Diagnosis, Anesthesia and Diagnostic Radiology, namely those divisions in which there is little or no overlapping in services with other divisions, used the classification system of its own division. The classification system introduced in this thesis can be further supplemented through the use of the cluster analysis by incorporating the advice and assistance of other specialists.

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A discourse semiotics analysis on Hwang Sun-won's short story "Bulls" (황순원의 단편소설 「황소들」에 대한 담화 기호학적 분석)

  • Hong, Jeong-Pyo
    • 기호학연구
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    • no.56
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    • pp.137-158
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    • 2018
  • In 1999, the French semiotician Jacques Fontanille published his work on discourse semiotics as an attempt to overcome the limitations of structuralism. Discourse semiotics has expanded the realm of semiotics by taking a phenomenological approach that examines the structure of consciousness. Phenomenology pays special attention to the operation of human consciousness, which, instead of staying put, moves from one place to another-unbeknownst to its agent. This paper examines "Bulls" through a phenomenological approach as the short story depicts the stream of consciousness that unfolds within the inner world of Pau, the young male protagonist. The rhetorical approach to literary analysis works at the level of the speech act and directly relates to speech act theory. In rhetorics, figures and tropes are dominated by speech acts. Whereas conventional rhetorical analysis lacks a kinetic perspective as it revolves around flat semantic inspections, the discourse semiotics approach applied in this paper allows for an indepth multidimensional analysis where the analyses of ${\acute{e}}nonc{\acute{e}}$ and ${\acute{e}}nonciation$ complement each other. Presenting a peasant movement to the reader through the eyes of the young male protagonist Pau, "Bulls" is considered a significant literary feat in the history of Korea's New Literature as the work is highly regarded for its impressive depiction of a communal movement. This paper reinterprets and reevaluates the story under a new light, mainly through a rhetorical approach and a phenomenological approach that hinges on discourse semiotics.

The Play Method and Significance of Song Byung-seon(宋秉璿) - Based on His Travel Essay(遊記) - (연재 송병선의 놀이방식과 의의 - 그의 유기를 바탕으로 -)

  • Yoo, Young-Bong
    • Journal of Korea Entertainment Industry Association
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    • v.15 no.8
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    • pp.315-325
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    • 2021
  • Yeonjae(淵齋) Song Byeong-seon(宋秉璿, 1836-1905) was the ninth-generation descendant of Uam (尤庵) Song Si-yeol (宋時烈). During his lifetime, he gained the trust of Yu-rim(儒林) and was called to the court several times. However, he eventually refused an official] post and spent his life cultivating his studies in the wild. When the Eulsa Treaty(乙巳條約) was signed on November 17, Yeonjae pleaded with King Gojong about the abolition of the treaty. And on the morning of December 30, Yeon-jae committed suicide at his old house in Hoedeok(懷德). At this time, Yeon-jae sent the final appeal to the king, leaving a message to the king, the people, and Yu-rim about the restoration of national sovereignty, fulfilling his duties as a leader of Sarim(士林). After that, in 1962, Yeonjae was awarded the Order of Independence Medal of National Founding. Song Byeong-seon's excursions took place throughout his life. 22 long and short travelogues are existed today. The excursions were mainly done by land, so most of them rode horses or mules. He sometimes used floats or kilns. But he sometimes knew how to use the waterways effectively. This is because in some travel reports, routes using inland waterways and sea routes appear. The journey of the series continues all the way to finding the relics of his ancestors. In this process, it is clear that he reaffirmed its mission of succession to the family and promised to be a part of the brilliant feat of the ancestors. In addition, the reading of the scriptures and Neo-Confucian discussion were added to the excursions. His excursions continued as a means of publicizing and expanding the Neo-Confucian worldview. Thus, Yeonjae inherited the spirit of John Wangyangi(尊王攘夷) left by his ancestors, and finally raised the banner of Wijeongcheoksa(衛正斥邪) high. And he resolutely set out on the road to death for the country.

Survey of Diease and Weed Control in Organic and Free-pesticide Cultivation of Chunnam Area 'Ssam' Vegegable (전남지역 쌈채류 무농약.유기재배농가의 잡초, 병해충관리 실태분석)

  • Lim, Kyeong-Ho;Kim, Sun-Guk;Choi, Kyong-Ju;Kim, Do-Ik;Kim, Seon-Gon;Lee, Yong-Hwan
    • Korean Journal of Organic Agriculture
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    • v.15 no.1
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    • pp.109-121
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    • 2007
  • For developing standard method for diease, pest and weed control in environmental friendly 'Ssam' vegetable cultivation, this study was carried out to investigating agriculture material use in organic agriculture and no pesticide cultivation for lettuce, kale, leafy perilla and korean cabbage. The 28.6% of investigated farmer carried out seed sterilization by seed selection with salt solution and soaking in chitosan that not validated. For raising seedling periods, the 55.6% of farmer did not use environmental-friendly agriculture material for, diease control and the 50% of farmer used one time for. pest control. Therefore, the control of disease and pest could be achieved with one or two times use of environmental-friendly agriculture material. Seed sterilization was carried out by soil solar sterilization, one time per year in 71.4% of farmer. Weed was controled by black PE film for weed germination of furrow in many farmer, by man-power weeding for weed of ridge in 85% of farmer and by machine weeding and mulching in some farmer. During cultivation period, the major pest were Aphis gossypii in lettuce, Plutella xylostella in kale, Plutella xylostella and Phyllotreta striolata (Fabricius) in korean cabbage and Pyrausta panopealis (Walke) in feat perilla. The many farmers used environ-mental-friendly agriculture material for control of pest over 10 times for spring season, and more used sold materials in market than home-made materials. In result, it needs to develop standardized method and validate cultivation methods for control of disease and pest, and seed sterilization treatment environmental-friendly 'Ssam' vegetable.

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Stock-Index Invest Model Using News Big Data Opinion Mining (뉴스와 주가 : 빅데이터 감성분석을 통한 지능형 투자의사결정모형)

  • Kim, Yoo-Sin;Kim, Nam-Gyu;Jeong, Seung-Ryul
    • Journal of Intelligence and Information Systems
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    • v.18 no.2
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    • pp.143-156
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    • 2012
  • People easily believe that news and stock index are closely related. They think that securing news before anyone else can help them forecast the stock prices and enjoy great profit, or perhaps capture the investment opportunity. However, it is no easy feat to determine to what extent the two are related, come up with the investment decision based on news, or find out such investment information is valid. If the significance of news and its impact on the stock market are analyzed, it will be possible to extract the information that can assist the investment decisions. The reality however is that the world is inundated with a massive wave of news in real time. And news is not patterned text. This study suggests the stock-index invest model based on "News Big Data" opinion mining that systematically collects, categorizes and analyzes the news and creates investment information. To verify the validity of the model, the relationship between the result of news opinion mining and stock-index was empirically analyzed by using statistics. Steps in the mining that converts news into information for investment decision making, are as follows. First, it is indexing information of news after getting a supply of news from news provider that collects news on real-time basis. Not only contents of news but also various information such as media, time, and news type and so on are collected and classified, and then are reworked as variable from which investment decision making can be inferred. Next step is to derive word that can judge polarity by separating text of news contents into morpheme, and to tag positive/negative polarity of each word by comparing this with sentimental dictionary. Third, positive/negative polarity of news is judged by using indexed classification information and scoring rule, and then final investment decision making information is derived according to daily scoring criteria. For this study, KOSPI index and its fluctuation range has been collected for 63 days that stock market was open during 3 months from July 2011 to September in Korea Exchange, and news data was collected by parsing 766 articles of economic news media M company on web page among article carried on stock information>news>main news of portal site Naver.com. In change of the price index of stocks during 3 months, it rose on 33 days and fell on 30 days, and news contents included 197 news articles before opening of stock market, 385 news articles during the session, 184 news articles after closing of market. Results of mining of collected news contents and of comparison with stock price showed that positive/negative opinion of news contents had significant relation with stock price, and change of the price index of stocks could be better explained in case of applying news opinion by deriving in positive/negative ratio instead of judging between simplified positive and negative opinion. And in order to check whether news had an effect on fluctuation of stock price, or at least went ahead of fluctuation of stock price, in the results that change of stock price was compared only with news happening before opening of stock market, it was verified to be statistically significant as well. In addition, because news contained various type and information such as social, economic, and overseas news, and corporate earnings, the present condition of type of industry, market outlook, the present condition of market and so on, it was expected that influence on stock market or significance of the relation would be different according to the type of news, and therefore each type of news was compared with fluctuation of stock price, and the results showed that market condition, outlook, and overseas news was the most useful to explain fluctuation of news. On the contrary, news about individual company was not statistically significant, but opinion mining value showed tendency opposite to stock price, and the reason can be thought to be the appearance of promotional and planned news for preventing stock price from falling. Finally, multiple regression analysis and logistic regression analysis was carried out in order to derive function of investment decision making on the basis of relation between positive/negative opinion of news and stock price, and the results showed that regression equation using variable of market conditions, outlook, and overseas news before opening of stock market was statistically significant, and classification accuracy of logistic regression accuracy results was shown to be 70.0% in rise of stock price, 78.8% in fall of stock price, and 74.6% on average. This study first analyzed relation between news and stock price through analyzing and quantifying sensitivity of atypical news contents by using opinion mining among big data analysis techniques, and furthermore, proposed and verified smart investment decision making model that could systematically carry out opinion mining and derive and support investment information. This shows that news can be used as variable to predict the price index of stocks for investment, and it is expected the model can be used as real investment support system if it is implemented as system and verified in the future.